Manuals+

124T02 124L02 126M02 124L05 124L07

User Manual

Carburetor Replacement for Briggs & Stratton Engines

Models: 124T02, 124L02, 126M02, 124L05, 124L07

1. Introduction

This manual provides essential information for the installation, maintenance, and troubleshooting of your new carburetor replacement. This aftermarket part is designed to fit various Briggs & Stratton engines and Toro lawn mower models, ensuring optimal fuel-air mixture for efficient engine operation.

Proper installation and regular maintenance are crucial for the longevity and performance of your engine. Please read this manual thoroughly before attempting any installation or maintenance procedures.

2. Compatibility

This carburetor replacement is compatible with a range of Briggs & Stratton engine models and specific Toro lawn mower models. Please verify your engine or equipment model number against the lists below to ensure proper fitment.

2.1. Compatible Briggs & Stratton Engine Models:

2.2. Compatible Toro Lawn Mower Models:

3. Package Contents

Upon opening the package, please verify that all components are present and undamaged. The package should contain the following items:

Carburetor assembly with gasket and o-ring

Figure 3.1: Complete package contents including the carburetor, gasket, and o-ring.

Close-up of gasket and o-ring

Figure 3.2: Detailed view of the included gasket and o-ring, essential for a proper seal during installation.

4. Setup and Installation

Safety First: Before beginning any work, ensure the engine is cool, the spark plug wire is disconnected to prevent accidental starting, and the fuel tank is drained or fuel line is clamped to prevent spills. Wear appropriate personal protective equipment (PPE) such as gloves and eye protection.

Note: Carburetor replacement can be complex. If you are not comfortable performing this procedure, it is recommended to seek assistance from a qualified small engine mechanic.

4.1. General Installation Steps:

  1. Prepare the Engine: Disconnect the spark plug wire. Locate the carburetor on your engine.
  2. Remove Air Filter Assembly: Carefully remove the air filter housing and air filter to gain access to the carburetor.
  3. Disconnect Fuel Line: Clamp or pinch the fuel line to prevent fuel leakage, then disconnect it from the carburetor. Have a small container ready to catch any residual fuel.
  4. Disconnect Linkages: Carefully note and disconnect any throttle or choke linkages attached to the carburetor. Taking photos before removal can be helpful.
  5. Remove Mounting Bolts: Unscrew the bolts or nuts that secure the carburetor to the engine manifold.
  6. Remove Old Carburetor: Gently pull the old carburetor away from the engine. Be mindful of any gaskets that may be stuck.
  7. Clean Mounting Surface: Ensure the engine's mounting surface is clean and free of old gasket material.
  8. Install New Gasket and Carburetor: Place the new gasket (and o-ring if applicable) onto the engine manifold, then carefully position the new carburetor. Ensure all holes align.
  9. Secure Carburetor: Reinstall the mounting bolts/nuts and tighten them evenly to secure the carburetor. Do not overtighten.
  10. Reconnect Linkages and Fuel Line: Reattach all throttle and choke linkages. Reconnect the fuel line, ensuring it is securely fastened and free of kinks. Remove any clamps.
  11. Reinstall Air Filter Assembly: Reassemble the air filter and its housing.
  12. Reconnect Spark Plug: Reconnect the spark plug wire.
Front view of carburetor with dimensions

Figure 4.1: Front view of the carburetor, showing key dimensions for fitment verification.

Side view of carburetor with dimensions

Figure 4.2: Side view of the carburetor, illustrating additional dimensions important for proper installation.

Side profile of the carburetor

Figure 4.3: Side profile of the carburetor, showing the fuel inlet and mounting points.

Rear view of the carburetor

Figure 4.4: Rear view of the carburetor, highlighting the linkage attachment points.

Top view of the carburetor

Figure 4.5: Top view of the carburetor, showing the choke and throttle mechanisms.

Bottom view of the carburetor

Figure 4.6: Bottom view of the carburetor, showing the fuel bowl and drain plug.

5. Operating Considerations

Once the new carburetor is installed, the engine should start and run smoothly. The carburetor's primary function is to mix air and fuel in the correct ratio for combustion. A properly installed new carburetor should restore engine performance.

After installation, fill the fuel tank with fresh, clean fuel. Prime the engine if it has a primer bulb, and then attempt to start it according to your equipment's manufacturer instructions. Allow the engine to run for a few minutes to ensure proper fuel flow and operation.

6. Maintenance

Regular maintenance of your engine and its components, including the carburetor, will extend its lifespan and ensure reliable operation.

7. Troubleshooting

If you encounter issues after installing the new carburetor, consider the following common troubleshooting steps:

ProblemPossible CauseSolution
Engine won't startNo fuel, incorrect installation, spark plug issue, air filter clogged.Check fuel level and quality. Verify all connections (fuel line, linkages) are secure. Ensure spark plug is clean and connected. Check air filter.
Engine runs rough or stallsImproper fuel-air mixture, vacuum leak, fuel contamination.Ensure carburetor is seated correctly with new gaskets. Check for cracks in fuel lines or manifold. Use fresh fuel.
Fuel leaks from carburetorImproperly seated gasket/o-ring, loose fuel line connection, damaged fuel bowl.Recheck gasket and o-ring installation. Tighten fuel line connections. Inspect carburetor body for damage.
Loss of powerRestricted fuel flow, dirty air filter, engine issues unrelated to carburetor.Check fuel filter and fuel lines. Clean or replace air filter. Consult engine manual for other potential causes.

If these steps do not resolve the issue, it is advisable to consult a professional small engine mechanic.

8. Specifications

AttributeDetail
Product TypeCarburetor Replacement
BrandGeneric
ManufacturerTDH
Compatible Engine ModelsBriggs & Stratton 124T02, 124L02, 126M02, 124L05, 124L07 series engines
Item Model Number255914444688
Manufacturer Part Number124T02 124L02 126M02 124L05 124L07
Country of OriginUSA
Package Includes1x Carburetor, 1x Gasket, 1x O-ring

9. Warranty and Support

As this is an aftermarket part, specific warranty details may vary. Please refer to the seller or retailer from whom you purchased this product for information regarding warranty coverage and return policies.

For technical support or further assistance with this carburetor, please contact the seller directly. They can provide guidance specific to your purchase and any issues you may encounter.

Related Documents - 124T02 124L02 126M02 124L05 124L07

Preview Briggs & Stratton Gasket Set 794307 - Parts List
Comprehensive list of Briggs & Stratton engine models compatible with gasket set 794307, detailing key engine components.
Preview Craftsman Yard Vacuum 247.770120 Parts List and Engine 124T02 Components
Comprehensive parts list for the Craftsman 6.5 HP Yard Vacuum (Model 247.770120) and its associated Craftsman engine (Model 124T02), detailing components and part numbers for maintenance and repair.